WO2019186956A1 - バルブコア - Google Patents

バルブコア Download PDF

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Publication number
WO2019186956A1
WO2019186956A1 PCT/JP2018/013432 JP2018013432W WO2019186956A1 WO 2019186956 A1 WO2019186956 A1 WO 2019186956A1 JP 2018013432 W JP2018013432 W JP 2018013432W WO 2019186956 A1 WO2019186956 A1 WO 2019186956A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve core
head
packing
flange
barrel
Prior art date
Application number
PCT/JP2018/013432
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
匠生 杉野
Original Assignee
太平洋工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 太平洋工業株式会社 filed Critical 太平洋工業株式会社
Priority to PCT/JP2018/013432 priority Critical patent/WO2019186956A1/ja
Priority to CN201880090595.0A priority patent/CN111836987B/zh
Priority to KR1020207024593A priority patent/KR102461548B1/ko
Priority to EP18911860.7A priority patent/EP3748208A4/de
Priority to US16/976,105 priority patent/US11313483B2/en
Priority to JP2020508752A priority patent/JP6976417B2/ja
Priority to JP2020508933A priority patent/JP6976418B2/ja
Priority to CN201880003636.8A priority patent/CN110546418A/zh
Priority to PCT/JP2018/023432 priority patent/WO2019187177A1/ja
Publication of WO2019186956A1 publication Critical patent/WO2019186956A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C29/00—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C29/00—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for
    • B60C29/002—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for characterised by particular features of the valve core
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K25/00—Details relating to contact between valve members and seats
    • F16K25/005—Particular materials for seats or closure elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B45/00—Arrangements for charging or discharging refrigerant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C29/00—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for
    • B60C29/005—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for characterised by particular features of the valve stem
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C29/00—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for
    • B60C29/06—Accessories for tyre-inflating valves, e.g. housings, guards, covers for valve caps, locks, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/28—Couplings of the quick-acting type with fluid cut-off means
    • F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
    • F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/3584—Inflatable article [e.g., tire filling chuck and/or stem]
    • Y10T137/3786—Removable valve head and seat unit [valve insides]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7504—Removable valve head and seat unit
    • Y10T137/7613—Threaded into valve casing

Definitions

  • the present invention relates to a valve core.
  • the valve core described in Patent Document 1 presses the body packing fitted to the outer surface with the flange portion and presses it against the inner surface of the valve stem.
  • valve core a part of the valve core such as the flange portion may be deformed, and it is desired to suppress such deformation.
  • the invention of claim 1 includes a cylindrical body, a body packing that surrounds the outer surface of the body, a flange that abuts the body packing from above, and an outer surface.
  • a valve core having a male screw portion and a head rotating with respect to the body portion, wherein the lower surface of the head contacts the flange portion from above.
  • FIG. 1 shows a valve stem 50 in which the valve core 10 of the present embodiment is accommodated.
  • the valve stem 50 has a cylindrical shape extending from a tire (not shown), and the inside thereof is a core mounting hole 55 that communicates with the internal space of the tire.
  • a female screw portion 52 is formed near the opening of the core mounting hole 55.
  • a reduced diameter portion 53 is provided which gradually decreases in diameter as the distance from the female screw portion 52 increases.
  • a male screw portion 54 for screwing and mounting a cap (not shown) is formed on the outer peripheral surface of the valve stem 50.
  • the valve core 10 of this embodiment is screwed.
  • the valve core 10 includes a head 20, a body 30, and a movable shaft 40 inserted through them.
  • the side on which the head 20 is disposed with respect to the trunk portion 30 is referred to as an upper side, and the opposite side is referred to as a lower side.
  • the movable shaft 40 includes a spring locking portion 41 ⁇ / b> A that locks the compression coil spring 45 at the upper end portion of the shaft portion 41 that passes through the central portion of the head portion 20 and the trunk portion 30, and includes a valve body 42 at an intermediate position.
  • the valve body 42 includes a tapered portion 41B that gradually increases in diameter from the shaft portion 41 and a cylindrical portion 41C that has a larger diameter than the tapered portion 41B that is spaced from the large-diameter side end (lower end) of the tapered portion 41B. And a seal portion 41D sandwiched between the tapered portion 41B and the cylindrical portion 41C.
  • the movable shaft 40 in this embodiment is comprised by conductors, such as brass, for example, and the seal
  • the head portion 20 has a through-hole 20A through which the upper end of the movable shaft 40 and the body portion 30 is inserted in the center, and a male screw portion 23 to be screwed to the valve stem 50 is formed on the outer surface.
  • the head 20 is formed between a disk-shaped base portion 22 and a pair of struts 21 ⁇ / b> S and 21 ⁇ / b> S standing upright from two positions 180 degrees apart on the upper end surface of the base portion 22.
  • the gate portion 21 is provided with a gate structure in which a bridging portion 21H is bridged, and a guide hole 21A substantially coaxial with the central axis of the base portion 22 passes through the center of the bridging portion 21H.
  • the width of the bridging portion 21H in the radial direction is wider than the width of the base portion 22 in the radial direction.
  • the head 20 in this embodiment is comprised with insulators, such as ceramics and resin, for example.
  • a compression coil spring 45 is provided between the spring locking portion 41 ⁇ / b> A of the movable shaft 40 and the head 20.
  • the compression coil spring 45 is inserted into the shaft portion 41 in a compressed state between the spring locking portion 41A and the upper surface 21J of the gate portion 21.
  • the trunk portion 30 has a cylindrical shape having a through hole 30A through which the movable shaft 40 is inserted at the center, and includes a flange portion 35 protruding outward at a midway position thereof.
  • the outer diameter of the insertion portion 31 formed on the upper side of the flange portion 35 in the trunk portion 30 is smaller than the through hole 20A of the head 20 and is inserted into the through hole 20A of the head 20.
  • the outer diameter of the base portion 32 formed below the flange portion 35 is larger than the outer diameter of the insertion portion 31.
  • a tapered portion 32T is formed at the lower end portion of the base portion 32.
  • the tapered portion 32T has an inner diameter that gradually decreases toward the top.
  • the seal part 42D of the valve body 42 of the movable shaft 40 biased upward by the compression coil spring 45 is fitted to the taper part 32T.
  • drum 30 in this embodiment is comprised with insulators, such as ceramics and resin, for example.
  • the body part 30 is provided with a body packing 48 that surrounds the outer side surface 30M of the body part 30.
  • the trunk packing 48 is made of, for example, an elastomer.
  • the upper surface 48 ⁇ / b> J of the trunk packing 48 is in contact with the lower surface 35 ⁇ / b> K of the flange portion 35.
  • drum packing 48 becomes a shape where an outer surface reduces in diameter from the intermediate position in an up-down direction to a lower end.
  • the thickness of the trunk packing 48 is formed to be substantially the same as the amount of protrusion of the lower surface of the flange portion 35.
  • the valve core 10 of the present embodiment is configured such that the lower surface 20 ⁇ / b> M of the head 20 can come into contact with the flange portion 35.
  • the base portion 22 of the head 20 includes a screwed tube portion 24 having a male screw portion 23 formed on the outer surface, and a screwed tube portion 24. And an extending portion 25 that hangs downward.
  • the lower surface 25M of the extending portion 25 is configured to abut on the upper surface 35J of the flange portion 35.
  • the lower surface 20 ⁇ / b> M of the head 20 is arranged at a position overlapping the trunk packing 48 in the vertical direction.
  • the lower surface 20M of the head 20 has an outer edge portion 25G disposed at a center position in the radial direction of the body packing 48, and an inner edge portion 25N disposed at a position overlapping the base portion 32 of the body portion 30. . That is, the lower surface 20M of the head 20 is configured to contact the base portion 35T on the lower surface 35K side of the flange portion 35 across the radial direction.
  • the valve core 10 is assembled in the core mounting hole 55 as follows. That is, the valve core 10 is rotated while being inserted into the core mounting hole 55 from the body 30 side. Then, the male screw portion 23 formed on the head of the valve core 10 is screwed into the female screw portion 52 of the core mounting hole 55, and the valve core 10 moves to the back side of the core mounting hole 55. Then, as shown in FIG. 1, the body packing 48 that covers the body portion 30 comes into contact with the reduced diameter portion 53 of the core mounting hole 55, and the rotation of the head portion 20 is stopped.
  • the trunk packing 48 is pushed toward the flange portion 35 by the reduced diameter portion 53, so that a large bending stress is applied to the flange portion 35.
  • the lower surface 20M of the head 20 abuts on the flange portion 35 from above. That is, the flange portion 35 is sandwiched between the head portion 20 and the trunk packing 48, and the flange portion 35 is pushed downward from the head portion 20 against the bending stress pushed upward from the trunk packing 48. It becomes. As a result, it is possible to suppress the bending stress that is pushed upward from the trunk packing 48, and it is possible to suppress deformation of the flange portion 35.
  • the lower surface 20M of the head 20 abuts on the base 35T on the lower surface 35K side of the flange 35 in the radial direction. That is, since it is the structure which suppresses the upper part of the part where stress tends to concentrate, it becomes possible to suppress a deformation
  • the movable shaft 40 is made of a conductor and the head 20 and the body 30 are made of an insulator, the movable shaft 40 can be used as an electric circuit.
  • the flange portion may be configured with washers 35Z and 35Y that pass through the body portions 30Z and 30Y. Thereby, the load to the flange portions 35Z and 35Y received from the barrel packing 48 is not easily transmitted to the barrel portions 30Z and 30Y.
  • a step portion 30DZ may be provided in the trunk portion 30Z.
  • the washer 35Z is inserted into the insertion portion 31Z, and the inner edge portion of the washer 35Z is placed on the upper surface of the base portion 32Z. With such a configuration, the washer 35Z can be positioned by the step portion 30DZ between the insertion portion 31Z and the base portion 32Z.
  • the outer shape of the trunk portion 30Y may have a shape having no step. With such a configuration, the body 30Y can be easily manufactured. In this case, the washer 35Y is in contact with the body packing 48 or the lower surface 20M of the head 20 and positioned.
  • the flange portion when the flange portion is constituted by the washers 35Z and 35Y, as shown in FIG. 8, the flange portion protrudes outward from the trunk portion 30 and has the latching pieces 31TZ and 31TY latched to the trunk packing 48.
  • a locking piece 31TZ shown in FIG. 8A may be configured to contact the lower surface of the trunk packing 48.
  • the male screw portion 23 is not formed on the outer surface of the extended portion 25, but the male screw portion 23 is formed on the outer surface of the extended portion 25. Good.
  • the outer diameters of the insertion portion 31X and the base portion 32X may be substantially the same. In this case, the entire area of the lower surface 20MX of the head 20X overlaps with the trunk packing 48 in the vertical direction.
  • the lower surface 20 ⁇ / b> M of the head 20 is arranged to straddle the upper portion of the trunk packing 48 and the upper portion of the base portion 32, but is disposed only above the trunk packing 48. It may be a configuration.
  • the extending portion 25 has a cylindrical shape and the entire lower surface thereof is in contact with the upper surface 35J of the flange portion 35.
  • the entire lower surface 25M is not in contact with each other, for example, a notch is provided in part. There may be.
  • a plurality of projecting pieces may be suspended from the threaded tube portion, and the lower surface of the projecting piece may be in contact with the flange portion 35.
  • the head 20 and the body 30 are made of an insulator, but may be made of a conductor. Moreover, you may comprise the valve core 10 with an insulator.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lift Valve (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Gasket Seals (AREA)
  • Check Valves (AREA)
PCT/JP2018/013432 2018-03-29 2018-03-29 バルブコア WO2019186956A1 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
PCT/JP2018/013432 WO2019186956A1 (ja) 2018-03-29 2018-03-29 バルブコア
CN201880090595.0A CN111836987B (zh) 2018-03-29 2018-03-29 阀芯
KR1020207024593A KR102461548B1 (ko) 2018-03-29 2018-03-29 밸브 코어
EP18911860.7A EP3748208A4 (de) 2018-03-29 2018-03-29 Ventileinsatz
US16/976,105 US11313483B2 (en) 2018-03-29 2018-03-29 Valve core
JP2020508752A JP6976417B2 (ja) 2018-03-29 2018-03-29 バルブコア
JP2020508933A JP6976418B2 (ja) 2018-03-29 2018-06-20 バルブコア及びタイヤバルブ
CN201880003636.8A CN110546418A (zh) 2018-03-29 2018-06-20 阀芯及轮胎阀
PCT/JP2018/023432 WO2019187177A1 (ja) 2018-03-29 2018-06-20 バルブコア及びタイヤバルブ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/013432 WO2019186956A1 (ja) 2018-03-29 2018-03-29 バルブコア

Publications (1)

Publication Number Publication Date
WO2019186956A1 true WO2019186956A1 (ja) 2019-10-03

Family

ID=68059619

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/013432 WO2019186956A1 (ja) 2018-03-29 2018-03-29 バルブコア

Country Status (6)

Country Link
US (1) US11313483B2 (de)
EP (1) EP3748208A4 (de)
JP (1) JP6976417B2 (de)
KR (1) KR102461548B1 (de)
CN (1) CN111836987B (de)
WO (1) WO2019186956A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11162720B2 (en) * 2015-08-11 2021-11-02 Trane International Inc. Refrigerant recovery and repurposing
CN114593244A (zh) * 2019-03-26 2022-06-07 太平洋工业株式会社 阀门
WO2020215015A1 (en) 2019-04-17 2020-10-22 Santa Cruz Bicycles, LLC Inflation system for tubeless tires
EP3851718A4 (de) * 2019-09-27 2021-09-29 Pacific Industrial Co., Ltd. Ventileinsatz
CA3169256A1 (en) 2020-01-27 2021-08-05 John QUINTANA Improved pneumatic valve system and methods of using the same
US11493139B1 (en) 2021-08-20 2022-11-08 Santa Cruz Bicycles, LLC Inflation valve for tubeless tires
CN114233793B (zh) * 2021-12-31 2023-12-01 高密同创气门芯有限公司 一种氮气弹簧气门芯及氮气弹簧

Citations (3)

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US2272634A (en) * 1939-05-06 1942-02-10 Dill Mfg Co Valve insides
US4462449A (en) * 1982-02-02 1984-07-31 Zabel Jr John H Valve core for pneumatic tires
JP2004360832A (ja) 2003-06-05 2004-12-24 Bridgestone Corp 安全タイヤ用バルブ、カプラー付き充填アダプター、放圧アダプター、及び放圧方法

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US1050491A (en) * 1906-05-26 1913-01-14 Schraders Son Inc Tire-valve.
US1171147A (en) * 1913-02-08 1916-02-08 Maximilian Charles Schweinert Tire-valve.
GB157183A (en) 1915-08-27 1921-05-05 Schraders Son Inc Pneumatic valves
US1255411A (en) * 1916-01-06 1918-02-05 Firestone Tire & Rubber Co Air-valve for pneumatic tires.
US1338245A (en) * 1916-03-25 1920-04-27 Schraders Son Inc Tire-valve or the like
US1453721A (en) * 1918-01-03 1923-05-01 Conrad Hubert Tire valve
US1426350A (en) * 1918-06-20 1922-08-22 Adelbert E Bronson Valve for pneumatic tires
US1593313A (en) * 1923-11-19 1926-07-20 Lloyd B Solemink Tire valve
US2075167A (en) * 1931-07-01 1937-03-30 Bridgeport Brass Co Pneumatic valve inside construction
US2068266A (en) 1932-03-23 1937-01-19 Schraders Son Inc Tire valve
US1991974A (en) * 1932-05-28 1935-02-19 Bridgeport Brass Co Springless tire valve inside construction
US2228984A (en) * 1938-05-07 1941-01-14 Bridgeport Brass Co Pneumatic tire valve
US2240096A (en) * 1940-05-23 1941-04-29 Jenkins Bros Valve stem of the capless type
US2758608A (en) 1952-08-29 1956-08-14 Sutcliffe John William Tire stem inflation valve
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JPS5335281Y2 (de) 1976-01-21 1978-08-29
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JP4714631B2 (ja) 2006-04-20 2011-06-29 太平洋工業株式会社 バルブコア
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Publication number Priority date Publication date Assignee Title
US2272634A (en) * 1939-05-06 1942-02-10 Dill Mfg Co Valve insides
US4462449A (en) * 1982-02-02 1984-07-31 Zabel Jr John H Valve core for pneumatic tires
JP2004360832A (ja) 2003-06-05 2004-12-24 Bridgestone Corp 安全タイヤ用バルブ、カプラー付き充填アダプター、放圧アダプター、及び放圧方法

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Title
See also references of EP3748208A4

Also Published As

Publication number Publication date
US11313483B2 (en) 2022-04-26
CN111836987B (zh) 2022-06-28
EP3748208A4 (de) 2021-01-20
KR102461548B1 (ko) 2022-11-01
CN111836987A (zh) 2020-10-27
JP6976417B2 (ja) 2021-12-08
US20200408314A1 (en) 2020-12-31
EP3748208A1 (de) 2020-12-09
JPWO2019186956A1 (ja) 2021-04-22
KR20200111773A (ko) 2020-09-29

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